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LTM4604

4604f

ELECTRICAL CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS

VIN, PGOOD ................................................. –0.3V to 6V

COMP, RUN/SS, FB, TRACK .........................–0.3V to VIN

SW, VOUT........................................–0.3V to (VIN + 0.3V)

Operating Temperature Range (Note 2) ... –40°C to 85°C

Junction Temperature ........................................... 125°C

Storage Temperature Range................... –55°C to 125°C

(Note 1)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN(DC)

Input DC Voltage

●

2.375

5.5

VOUT(DC)

Output Voltage, Total Variation

with Line and Load

CIN = 10μF × 1, COUT = 22μF ×3, RFB = 5.69k 0.5%

VIN = 2.375V to 5.5V, IOUT = 0A to 4A, 0°C ≤ TA ≤ 85°C

VIN = 2.375V to 5.5V, IOUT = 0A to 4A

●

1.478

1.470

1.5

1.522

Input Speciﬁcations

VIN(UVLO)

Undervoltage Lockout

Threshold

IOUT = 0A

1.75

2.3

IINRUSH(VIN)

Peak Input Inrush Current at

Start-Up

IOUT = 0A, CIN = 10μF, COUT = 22μF ×3,

RUN/SS = 0.01μF, VOUT = 1.5V

VIN = 3.3V

VIN = 5V

0.7

IQ(VIN NOLOAD)

Input Supply Bias Current

VIN = 3.3V, VOUT = 1.5V, No Switching

VIN = 3.3V, VOUT = 1.5V, Switching Continuous

VIN = 5V, VOUT = 1.5V, No Switching

VIN = 5V, VOUT = 1.5V, Switching Continuous

Shutdown, RUN = 0, VIN = 5V

100

μA

The

● denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. VIN = 5V unless otherwise noted. See Figure 15.

PIN CONFIGURATION

GND

RUN/

TRACK

TOP VIEW

LGA PACKAGE

66-PIN (15mm

´ 9mm ´ 2.3mm)

PGOOD

COMP

VOUT

VIN

TJMAX = 125°C, θJA = 25°C/W, WEIGHT = 0.86g

ORDER INFORMATION

LEAD FREE FINISH

TRAY

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTM4604EV#PBF

LTM4604IV#PBF

LTM4604EV#PBF

LTM4604IV#PBF

LTM4604V

15mm

× 9mm × 2.3mm LGA

15mm

× 9mm × 2.3mm LGA

–40°C to 85°C

Consult LTC Marketing for parts speciﬁed with wider operating temperature ranges. *The temperature grade is identiﬁed by a label on the shipping container.

Consult LTC Marketing for information on non-standard lead based ﬁnish parts.

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

This product is only offered in trays. For more information go to: http://linear.com/packaging/

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